#include <stdio.h>

void delay()
{
  int i = 0, j = 0;
  for(i = 0; i < 10000; ++i)
  {
    for(j = 0; j < 100000; ++j);
  }
}

int main()
{
  while(1)
  {
    printf("hello world\n");
    delay();
  }

  return 0;
}
